Blood Alcohol Charts

Drinking can be a lot of fun. But the most important thing to remember is you have to KNOW YOUR LIMIT. Below I’ve provided Blood Alcohol Charts for both men and women to help you understand how alcohol effects your mind and body. These numbers are an approximation and will vary based on rate of consumption and food intake.

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ALCOHOL IMPAIRMENT CHARTMALES

APPROXIMATE BLOOD ALCOHOL PERCENTAGE.

Drinks*

BODY WEIGHT IN POUNDS

EFFECT ON PERSON

100

120

140

160

180

200

220

240

0

.00

.00

.00

.00

.00

.00

.00

.00

ONLY SAFE DRIVING LIMIT

1

.04

.03

.03

.02

.02

.02

.02

.02

IMPAIRMENT BEGINS.

2

.08

.06

.05

.05

.04

.04

.03

.03

3

.11

.09

.08

.07

.06

.06

.05

.05

DRIVING SKILLS SIGNIFICANTLY AFFECTED.

4

.15

.12

.11

.09

.08

.08

.07

.06

5

.19

.16

.13

.12

.11

.09

.09

.08

LEGALLY INTOXICATED.CRIMINAL PENALTIES IN ALL STATES
**

6

.23

.19

.16

.14

.13

.11

.10

.09

7

.26

.22

.19

.16

.15

.13

.12

.11

8

.30

.25

.21

.19

.17

.15

.14

.13

9

.34

.28

.24

.21

.19

.17

.15

.14

10

.38

.31

.27

.23

.21

.19

.17

.16

* One drink is equal to 1¼ oz. of 80-proof liquor, 12 oz. of beer, or 4 oz. of table wine.

ALCOHOL IMPAIRMENT CHARTFEMALES

APPROXIMATE BLOOD ALCOHOL PERCENTAGE

Drinks*

BODY WEIGHT IN POUNDS

EFFECT ON PERSON

90

100

120

140

160

180

200

220

240

0

.00

.00

.00

.00

.00

.00

.00

.00

.00

ONLY SAFE DRIVING LIMIT

1

.05

.05

.04

.03

.03

.03

.02

.02

.02

IMPAIRMENT BEGINS.

2

.10

.09

.08

.07

.06

.05

.05

.04

.04

DRIVING SKILLS SIGNIFICANTLY AFFECTED.

3

.15

.14

.11

.11

.09

.08

.07

.06

.06

4

.20

.18

.15

.13

.11

.10

.09

.08

.08

LEGALLY INTOXICATED.CRIMINAL PENALTIES IN ALL STATES**

5

.25

.23

.19

.16

.14

.13

.11

.10

.09

6

.30

.27

.23

.19

.17

.15

.14

.12

.11

7

.35

.32

.27

.23

.20

.18

.16

.14

.13

8

.40

.36

.30

.26

.23

.20

.18

.17

.15

9

.45

.41

.34

.29

.26

.23

.20

.19

.17

10

.51

.45

.38

.32

.28

.25

.23

.21

.19

* One drink is equal to 1¼ oz. of 80-proof liquor, 12 oz. of beer, or 4 oz. of table wine.